127545 has 16 divisors (see below), whose sum is σ = 222912. Its totient is φ = 61760.

The previous prime is 127541. The next prime is 127549. The reversal of 127545 is 545721.

It is an interprime number because it is at equal distance from previous prime (127541) and next prime (127549).

It is not a de Polignac number, because 127545 - 2² = 127541 is a prime.

127545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (127541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (13932).

2¹²⁷⁵⁴⁵ is an apocalyptic number.

127545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127545 is a deficient number, since it is larger than the sum of its proper divisors (95367).

127545 is a wasteful number, since it uses less digits than its factorization.

127545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its digits is 1400, while the sum is 24.

The square root of 127545 is about 357.1344284720. The cubic root of 127545 is about 50.3370560916.

It can be divided in two parts, 1275 and 45, that multiplied together give a palindrome (57375).

The spelling of 127545 in words is "one hundred twenty-seven thousand, five hundred forty-five".